Door latch



FIG. 1 is a perspective drawing of an embodiment of our door latch;

FIG. 2 is a side elevation view of the door latch;

FIG. 3 is a front elevation view of the door latch;

FIG. 4 is a rear elevation view of the door latch;

FIG. 5 is a top elevation view of the door latch; and,

FIG. 6 is a bottom elevation view of the door latch.

The broken lines immediately adjacent the shaded areas represent the bounds of the claim and all other broken lines are for illustrative purposes only. None of the broken lines form a part of the claimed design. 

The ornamental design for a door latch, as shown and described. 